Halley is a distinctive girls' name in United States, ranking #1145 in 1999 with 171 recorded births. The name reached its all-time peak in 2000 with 180 births ranking #1136. Since 1996, the popularity has increased by 27.6%. In 1999, approximately 1 in every 10,373 girls born was named Halley. FALLING Recent data shows the name is currently falling.